This answer was marked as spam or offensive and is therefore not shown - you can see the revision history for details.
I looked at the revision history, and while it was clearly a very bad answer, it was certainly not spam, and I saw nothing that appeared to be offensive.
(For the benefit of non-10k users, the content was:
The concept of odd and even numbers was first used for natural numbers, 0 is not a natural number. Now anyone can cook up a scheme and extend the even oddness concept to non natural numbers, but we will be no longer dealing with the range that even and odd numbers were considered for. Now in that doctor math's explanation 0 is even because 2 times 0 is 0. But 0 was not in the original domain of definition, i.e. 0 is not a natural number. The result of extending even/odd concept by alternative means does not make a number that previously was not even/odd to be even or odd within the original framework. It is now only even or odd by the new (re)definition of the concept
What happened here that the post content was replaced with “This answer was marked as spam or offensive”? Does the Community user apply the “spam or offensive” rubric to all posts that are autodeleted for having too many downvotes? Or did someone actually flag this post as “spam or offensive”? Or is there some other reason?